Home / 20,148,158.30-30,219,284.79-9,910,270.01

Finding the Fourth Proportional to 20,148,158.30, 30,219,284.79 and 9,910,270.01

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Solution

The fourth proportional to 20,148,158.30, 30,219,284.79 and 9,910,270.01 is: 14,863,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,158.30 : 30,219,284.79 = 9,910,270.01 : x
  2. Step 2: Convert to fraction form
    20,148,158.30/30,219,284.79 = 9,910,270.01/x
  3. Step 3: Cross multiply
    20,148,158.30x = 30,219,284.79 × 9,910,270.01
  4. Step 4: Simplify right side
    20,148,158.30x = 299,481,271,853,534.31
  5. Step 5: Solve for x
    x = 299,481,271,853,534.31/20,148,158.30
  6. Step 6: Final answer
    x = 14,863,952.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.